Audio speaker



FIG. 1 is a front perspective view of a first embodiment of an audio speaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a left-side elevational view thereof;

FIG. 7 is a back elevational view thereof; and,

FIG. 8 is a front elevation view of a second embodiment of FIG. 1. 

We claim the ornamental design for an audio speaker, as shown and described. 